Loans and Allowance for Credit Losses - Loans Modified During the Period (Details) $ in Thousands	3 Months Ended
Mar. 31, 2023 USD ($) Rate mo	Mar. 31, 2022 USD ($) Contract
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	$ 25	$ 69
Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage \| Rate	0.00%
Financing Receivable, Modified, Weighted Average Interest Rate Decrease from Modification \| Rate	(2.25%)
Financing Receivable, Modified, Weighted Average Term Increase from Modification	0 years
Financing Receivable, Excluding Accrued Interest, Modified, Increase (Decrease) from Modification	$ 0
Financing Receivable, Modified, Payment Deferral \| mo	0
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts \| Contract		1
Financing Receivable, Troubled Debt Restructuring, Subsequent Default	$ 0	$ 17
Contractual Interest Rate Reduction [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	25
Extended Maturity [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	0
Principal Forgiveness
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	0
Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	0
Residential real estate [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	$ 25	$ 69
Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage \| Rate	0.00%
Financing Receivable, Modified, Weighted Average Interest Rate Decrease from Modification \| Rate	(2.25%)
Financing Receivable, Modified, Weighted Average Term Increase from Modification	0 years
Financing Receivable, Excluding Accrued Interest, Modified, Increase (Decrease) from Modification	$ 0
Financing Receivable, Modified, Payment Deferral \| mo	0
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts \| Contract		1
Financing Receivable, Troubled Debt Restructuring, Subsequent Default		$ 17
Residential real estate [Member] \| Contractual Interest Rate Reduction [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	$ 25
Residential real estate [Member] \| Extended Maturity [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	0
Residential real estate [Member] \| Principal Forgiveness
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	0
Residential real estate [Member] \| Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	0
Residential real estate [Member] \| Senior Lien
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	$ 25	$ 69
Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage \| Rate	0.00%
Financing Receivable, Modified, Weighted Average Interest Rate Decrease from Modification \| Rate	(2.25%)
Financing Receivable, Modified, Weighted Average Term Increase from Modification	0 years
Financing Receivable, Excluding Accrued Interest, Modified, Increase (Decrease) from Modification	$ 0
Financing Receivable, Modified, Payment Deferral \| mo	0
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts \| Contract		1
Financing Receivable, Troubled Debt Restructuring, Subsequent Default		$ 17
Residential real estate [Member] \| Senior Lien \| Contractual Interest Rate Reduction [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	$ 25
Residential real estate [Member] \| Senior Lien \| Extended Maturity [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	0
Residential real estate [Member] \| Senior Lien \| Principal Forgiveness
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	0
Residential real estate [Member] \| Senior Lien \| Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	$ 0

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- Definition

Amount of increase (decrease) in amortized cost excluding accrued interest, of financing receivable modified for debtor experiencing financial difficulty.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Subparagraph (a)(2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-42

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- Definition

Percentage of financing receivable modified during period for debtor experiencing financial difficulty to total financing receivables.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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+ References

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- Definition

Number of financing receivable contracts modified as troubled debt restructuring within previous 12 months, with subsequent payment default.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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-URI https://asc.fasb.org//1943274/2147481962/310-10-50-34

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Amortized cost of financing receivable with payment default in current period and modified within previous 12 months preceding payment default for debtor experiencing financial difficulty.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 12A
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-URI https://asc.fasb.org//1943274/2147481933/310-10-55-12A

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Percentage of decrease in weighted average contractual interest rate of financing receivable modified for debtor experiencing financial difficulty.

+ References

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- Definition

Period of increase in weighted average maturity of financing receivable modified for debtor experiencing financial difficulty, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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